@font-face {
  font-family: 'yahei';
  font-weight: 400;
  font-style: normal;
  src: url(./yahei.ttf);
}

@font-face {
  font-family: 'yahei';
  font-weight: 700;
  font-style: normal;
  src: url(./yaheibold.ttf);
}